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宝利通宣布首次在实时视频通信系统中支持H.264 High Profile标准,是一种领先的视频压缩技术宣布正式进入视频通信商用市场。虽然H.264标准已经是一个非常成熟且广泛采用的视频压缩标准,但目前在视频通信系统中普遍采用的还只是它的基本画质标准,称为H.264 Baseline Profile。而high profile标准则是在H.264体系中最高效的视频编码技术。例如,它采用了一种叫做文本自适应二进制算法编码CABAC技术,其编码效率大大高于采用UVLC(通用可变长编码)/CAVLC(文本自适应变长编码)的Baseline Profile标准。
For the first time, Polycom supports the H.264 High Profile standard in real-time video communication systems and is a leading video compression technology that announces the official entry into the video communications commercial market. Although the H.264 standard is already a very mature and widely used video compression standard, the basic standard of video quality is commonly used in video communication systems at present, called the H.264 Baseline Profile. The high profile standard is the most efficient H.264 video encoding technology. For example, it uses a CABAC technique called text-adaptive binary coding that is significantly more efficient than the Baseline Profile using UVLC (Universal Variable Length Coding) / CAVLC (Text Adaptive Variable Length Coding).